A and B can do a piece of work in 40 days. After working for 10 days, they are assisted by C and they take 20 days more to finish the work. If C does as much work in 2 days as B does in 3 days, then in how many days can each of them do the same work alone? p-50 days, 100 days and 70 daysa-60 days, 110 days and 75 daysb-70 days, 120 days and 90 daysc-60 days, 120 days and 80 daysd-60 days, 120 days and 90 days

1) p
2) a
3) b
4) c
5) d